services:
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
    container_name: mulita-frontend
    ports:
      # Host port is configurable via FRONTEND_PORT in .env so multiple
      # instances / other services on the same host don't collide.
      - "${FRONTEND_PORT:-3000}:80"
    depends_on:
      - backend
    networks:
      - mulita-network
    restart: unless-stopped

  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: mulita-backend
    ports:
      # Direct backend access on the host is rarely needed (the frontend
      # talks to it through the nginx /api proxy on the same network),
      # but it's exposed for debugging / curl. Override with BACKEND_PORT.
      - "${BACKEND_PORT:-8001}:8000"
    volumes:
      - ./mulita.yml:/app/config/mulita.yml:ro
      # The single host → container mount for your photo library. Set
      # PHOTO_DIRS in .env to your library root. Mounted :rw because file
      # operations (rename, move, empty discard pile) need to mutate the
      # filesystem; flip to :ro for a strict read-only library and the
      # write endpoints will return EROFS.
      - ${PHOTO_DIRS:-./photos}:/photos:rw
      - thumbs_data:/data/thumbs
      - proxies_data:/data/proxies
      - db_data:/data/db   # retained so the docker-compose.sqlite.yml override has somewhere to put mulita.db
    # Run Alembic migrations before starting uvicorn. On a fresh Postgres
    # the empty 0001 baseline is a no-op stamp; create_all in init_db then
    # builds the schema.
    command: sh -c "alembic upgrade head && uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload"
    environment:
      - DATABASE_URL=postgresql+asyncpg://mulita:mulita@db:5432/mulita
      - REDIS_URL=redis://redis:6379
      - CELERY_BROKER_URL=redis://redis:6379
      - CELERY_RESULT_BACKEND=redis://redis:6379
      - PHOTO_DIRS=${PHOTO_DIRS:-/photos}
      - ALLOWED_ORIGINS=${ALLOWED_ORIGINS:-*}
      - LOG_LEVEL=${LOG_LEVEL:-INFO}
      - TZ=${TZ:-UTC}
    depends_on:
      redis:
        condition: service_started
      db:
        condition: service_healthy
    networks:
      - mulita-network
    restart: unless-stopped

  worker:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: mulita-worker
    command: celery -A app.tasks.celery worker --loglevel=${LOG_LEVEL:-info} --concurrency=${CELERYD_CONCURRENCY:-4}
    volumes:
      - ./mulita.yml:/app/config/mulita.yml:ro
      - ${PHOTO_DIRS:-./photos}:/photos:rw
      - thumbs_data:/data/thumbs
      - proxies_data:/data/proxies
      - db_data:/data/db
    environment:
      - DATABASE_URL=postgresql+asyncpg://mulita:mulita@db:5432/mulita
      - REDIS_URL=redis://redis:6379
      - CELERY_BROKER_URL=redis://redis:6379
      - CELERY_RESULT_BACKEND=redis://redis:6379
      - PHOTO_DIRS=${PHOTO_DIRS:-/photos}
      - CELERYD_CONCURRENCY=${CELERYD_CONCURRENCY:-4}
      - LOG_LEVEL=${LOG_LEVEL:-INFO}
      - TZ=${TZ:-UTC}
    depends_on:
      redis:
        condition: service_started
      backend:
        condition: service_started
      db:
        condition: service_healthy
    networks:
      - mulita-network
    restart: unless-stopped

  db:
    image: pgvector/pgvector:pg16
    container_name: mulita-db
    environment:
      POSTGRES_USER: mulita
      POSTGRES_PASSWORD: mulita
      POSTGRES_DB: mulita
    volumes:
      - pg_data:/var/lib/postgresql/data
    networks:
      - mulita-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U mulita -d mulita"]
      interval: 5s
      timeout: 5s
      retries: 10

  redis:
    image: redis:7-alpine
    container_name: mulita-redis
    # Host port exposed only for local debugging; the backend / worker
    # reach Redis via the internal mulita-network on its container name.
    ports:
      - "${REDIS_PORT:-6379}:6379"
    volumes:
      - redis_data:/data
    networks:
      - mulita-network
    restart: unless-stopped
    command: redis-server --appendonly yes

networks:
  mulita-network:
    driver: bridge

volumes:
  thumbs_data:
  proxies_data:
  db_data:
  redis_data:
  pg_data: